Seiko Cal. 5693 - 434

This Hand-Winding model from 1991 features a 43mm Hardlex-Coated Steel case. Powered by the 5693 caliber with 30j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-07cd1d78ef26]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1991

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